i-mate K-JAM vs verykool s401

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    s401: 60 g lighter

    K-JAM:
    160 g
    s401:
    100 g
  • Width

    K-JAM: 7 mm narrower

    K-JAM:
    58 mm
    s401:
    65 mm
  • Screen diagonal

    K-JAM: 1.2 in smaller diagonal

    K-JAM:
    2.8 in
    s401:
    4 in
  • Depth

    s401: 13.3 mm thinner

    K-JAM:
    23.7 mm
    s401:
    10.4 mm
  • Height

    K-JAM: 18 mm shorter

    K-JAM:
    108 mm
    s401:
    126 mm
  • Release year

    K-JAM:
    2005
    s401:
    2014

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. K-JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    23.7 mm +13.3 mm versus s401
  2. 2. s401

    Height:
    126 mm +18 mm versus K-JAM
    Width:
    65 mm +7 mm versus K-JAM
    Depth:
    10.4 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. K-JAM

    160 g

    +60 g versus s401

  2. 2. s401

    100 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. K-JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. s401

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

s401 has approximately 87.6% more rectangular screen area than K-JAM.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

K-JAM: Original memory entry

64 MB RAM · 128 MB ROM

s401: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. K-JAM

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD · up to 2 GB

2. s401

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. K-JAM

    1250 mAh

  2. 2. s401

    1400 mAh

    +150 mAh versus K-JAM

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. K-JAM2. s401

Everyday essentials
Everyday essentials — specifications for K-JAM, s401.
SpecificationK-JAMs401
Dimensions (HxWxD)
  • 108 Х 58 Х 23.7 mm
  • 126 Х 65 Х 10.4 mm
Weight
  • 160 g
  • 100 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 4 GB
  • 512 MB RAM
Memory card support
  • miniSD
  • up to 2 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1250 mAh
  • Removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.2 (Jelly Bean)
Chipset
  • TI OMAP 850
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for K-JAM, s401.
SpecificationK-JAMs401
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.8%
  • 55.6%
PPI /points per inch/
  • 143 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for K-JAM, s401.
SpecificationK-JAMs401
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for K-JAM, s401.
SpecificationK-JAMs401
Processor CPU
  • 200 MHz ARM926EJ-S
  • Dual-core 1.0 GHz
General specs
General specs — specifications for K-JAM, s401.
SpecificationK-JAMs401
Release date
  • 2005
  • September
  • 2014
  • June
Colors
  • Stylish black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
  • Stand by time- Up to 240 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for K-JAM, s401.
SpecificationK-JAMs401
SIM card
  • Mini-SIM
  • Single SIMDual SIM (dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • No
USB
  • miniUSB
  • 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for K-JAM, s401.
SpecificationK-JAMs401
Radio
  • No
  • FM radio
Other features
Other features — specifications for K-JAM, s401.
SpecificationK-JAMs401
Dop
  • Infrared port - Microsoft ActiveSync -Pocket Office -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9100
  • O2 XDA mini S
  • T-Mobile MDA Vario
  • Sensors Accelerometer
  • proximity - Flashlight